Results 91 to 100 of about 5,960 (212)

Acceptor Derivatization of the 4CzIPN TADF System: Color Tuning and Introduction of Functional Groups

ChemistryOpen, 2019
We demonstrate modular modifications of the widely employed emitter 2,4,5,6‐tetra(9H‐carbazol‐9‐yl)isophthalonitrile (4CzIPN) by replacing one or both nitrile acceptors with oxadiazole groups via a tetrazole intermediate.
Fabian Hundemer, Lorenz Graf von Reventlow, Céline Leonhardt, Mika Polamo, Martin Nieger, Stefan M. Seifermann, Alexander Colsmann, Prof. Dr. Stefan Bräse   +7 more
doaj   +1 more source

Toxicological Evaluation of Anti-Scrapie Trimethoxychalcones and Oxadiazoles

Anais da Academia Brasileira de Ciências, 2015
An altered form of the cellular prion protein, the PrPScor PrPRes, is implicated in the occurrence of the still untreatable transmissible spongiform encephalopathies.
CLAUDIA P. FIGUEIREDO, NATALIA C. FERREIRA, GISELLE F. PASSOS, ROBSON DA COSTA, FERNANDA S. NEVES, CLARICE S.C. MACHADO, ALESSANDRA MASCARELLO, LOUISE D. CHIARADIA-DELATORRE, PATRÍCIA D. NEUENFELDT, RICARDO J. NUNES, YRAIMA CORDEIRO   +10 more
doaj   +1 more source

Tandem Reactions of 1,2,4-Oxadiazoles with Allylamines

, 2016
A reaction of 3-chloro-1,2,4-oxadiazoles with allylamine and diallylamine has been investigated. 3,3a,4,5-Tetrahydroisoxazolo[3,4-d]pyrimidines are produced through a tandem ANRORC/[3 + 2]cycloaddition pathway consisting of the addition of allylamine to ...
Antonio Palumbo Piccionello (564720), Andrea Pace (1309779), Silvestre Buscemi (2067370)   +2 more
core   +1 more source

Synthesis and Antibacterial Evaluation of 5-Aminosalicylic Acid Derivatives

Applied Sciences
The anti-inflammatory scaffold 5-aminosalicylic acid, which is widely used in therapeutic applications, was chosen for the synthesis of N-[3-(hydrazinecarbonyl)-4-hydroxyphenyl]acetamide (1) to enhance its antibacterial properties.
Kazimieras Anusevičius, Jūratė Šiugždaitė, Birutė Sapijanskaitė-Banevič, Valentas Špiliauskas, Birutė Grybaitė, Livija Tubytė, Vytautas Mickevičius   +6 more
doaj   +1 more source

Banana-shaped 1,2,4 oxadiazoles

, 2003
3,5-Disubstituted 1,2,4-oxadiazoles are a new type of liquid crystalline (LC) compounds with asymmetrical five-membered heterocycle as a central unit. They have a bent shape and are very convenient model-compounds for studying the dependence of the LC ...
Geivandova, T.A., Torgova, S.I., Strigazzi, Alfredo, T. A. GEIVANDOVA, FRANCESCANGELI, ORIANO, A. STRIGAZZI, S. I. TORGOVA, Francescangeli, O., O. FRANCESCANGELI   +8 more
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Síntese de ligantes fotoluminescentes derivados do heterociclo 1,3,4-oxadiazol [PDF]

, 2005
TCC (graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Físicas e Matemáticas. Curso de Química.A síntese, de novos compostos fotoluminescentes contendo o heterociclo 1,3,4-oxadiazol são descritas.
FRIZON, Tiago Elias Allievi
core  

Tandem Reactions of 1,2,4-Oxadiazoles with Allylamines

, 2011
A reaction of 3-chloro-1,2,4-oxadiazoles with allylamine and diallylamine has been investigated. 3,3a,4,5-Tetrahydroisoxazolo[3,4-d]pyrimidines are produced through a tandem ANRORC/[3þ2]cycloaddition pathway consisting of the addition of allylamine to ...
PALUMBO PICCIONELLO, Antonio, Antonio Palumbo Piccionello, Silvestre Buscemi, Andrea Pace, BUSCEMI, Silvestre, PACE, Andrea   +5 more
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Studies on 1,3,4-Oxadiazoles. Part-IX. Preparation and Antimicrobial Activity of 2-Phenyl-5-p-(2',4'-bis-ethylamino-s-triazin-6'-ylaminophenyl)-1 ,3,4,-oxadiazoles

, 1988
Department of Chemistry, Saurashtra University, Rajkot-360 005 Manuscript received 15 February 1987, revised 18 April 1988, accepted 17 May 2988 Studies on 1,3,4-Oxadiazoles. Part-IX.
HANSA PAREKH, C. L. PATEL
core   +1 more source

The new era of 1,2,4-oxadiazoles

, 2009
The synthesis, the chemical and photochemical reactivity, and the use of 1,2,4-oxadiazoles in materials and as bioactive compounds have been reviewed.
PIERRO, Paola, PACE, Andrea
core   +1 more source

INOVAÇÃO E PROPRIEDADE INTELECTUAL DOS 1,2,4-OXADIAZÓIS: UMA PROSPECÇÃO TECNOLÓGICA FUNDAMENTADA EM BASE DE DADOS DE PATENTES E PERIÓDICOS

Química Nova
1,2,4-Oxadiazoles are heterocyclic compounds that have a remarkable range of applications. This overview focused on investigating the potential and scientific and technological evolution of these compounds through an analysis of patent databases and ...
Erick Caique Santos Costa, Jucleiton José Rufino de Freitas, Juliano Carlo Rufino Freitas   +2 more
doaj   +1 more source